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2023-07-22crypto: stm32 - check request size and scatterlist size when using DMA.Thomas Bourgoin1-5/+10
When we are sending the data to HASH with the DMA, we send all the data provided in the scatterlists of the request. But in some cases (ex : tcrypt performances tests), we should only send req->nbytes When iterating through the scatterlist we verify if it is the last scatterlist or if the number of bytes sent plus the data of the current scatterlist is superior of the total number of bytes to hash. Signed-off-by: Thomas Bourgoin <thomas.bourgoin@foss.st.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-22crypto: stm32 - fix loop iterating through scatterlist for DMAThomas Bourgoin1-1/+1
We were reading the length of the scatterlist sg after copying value of tsg inside. So we are using the size of the previous scatterlist and for the first one we are using an unitialised value. Fix this by copying tsg in sg[0] before reading the size. Fixes : 8a1012d3f2ab ("crypto: stm32 - Support for STM32 HASH module") Cc: stable@vger.kernel.org Signed-off-by: Thomas Bourgoin <thomas.bourgoin@foss.st.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-22crypto: stm32 - remove bufcnt in stm32_hash_write_ctrl.Thomas Bourgoin1-3/+3
Commit "crypto: stm32 - Fix empty message processing" remove the use of the argument bufcnt in stm32_hash_write_ctrl. Hence, we can remove it from the function prototype and simplify the function declaration. Signed-off-by: Thomas Bourgoin <thomas.bourgoin@foss.st.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-22crypto: stm32 - add new algorithms supportThomas Bourgoin2-125/+543
Add the all SHA-2 (up to 512) and SHA-3 algorithm support. Update compatible table to add stm32mp13. Signed-off-by: Thomas Bourgoin <thomas.bourgoin@foss.st.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-22dt-bindings: crypto: add new compatible for stm32-hashLionel Debieve1-0/+1
Add a new compatible for stm32mp13 support. Signed-off-by: Lionel Debieve <lionel.debieve@foss.st.com> Signed-off-by: Thomas Bourgoin <thomas.bourgoin@foss.st.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-22hwrng: ba431 - use dev_err_probe after failed registrationMartin Kaiser1-4/+2
Use dev_err_probe to print the error message after a failed hwrng registration. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-22hwrng: ba431 - don't init of_device_id's dataMartin Kaiser1-1/+1
We have no device-specific data for silex-insight,ba431-rng. There's no need to set .data = NULL, this is the default. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-22hwrng: ba431 - do not set drvdataMartin Kaiser1-2/+0
Do not set drvdata in the ba431 driver. Nobody is using it. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-22hwrng: ingenic - switch to device managed registrationMartin Kaiser1-11/+1
Call devm_hwrng_register for device managed registration of the ingenic-trng driver. ingenic_trng_remove can then be deleted. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-22hwrng: ingenic - don't disable the rng in ingenic_trng_removeMartin Kaiser1-5/+0
There's no need to disable the rng in ingenic_trng_remove. The driver's init function sets the CFG_GEN_EN bit to enable the rng. The cleanup function clears CFG_GEN_EN to revert this. The remove function calls hwrng_unregister. If the ingenic-trng is not the current rng at this point, CFG_GEN_EN has already been cleared. If the ingenic-trng is the current rng, drop_current_rng will call the cleanup function. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-22hwrng: ingenic - use dev_err_probe in error pathsMartin Kaiser1-12/+8
Use dev_err_probe in error paths to make the code a bit shorter. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-22hwrng: ingenic - use devm_clk_get_enabledMartin Kaiser1-18/+6
Use devm_clk_get_enabled in the ingenic-trng driver. We don't have to disable and unprepare the clock any more in error paths or in the remove function. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-22hwrng: ingenic - remove dead assignmentsMartin Kaiser1-2/+0
Don't assign a value to ret if we're about to return from the probe function and ret's value is not used. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-22hwrng: ingenic - remove two unused definesMartin Kaiser1-2/+0
Remove two defines which are not used in the ingenic-trng driver's code. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-22hwrng: ingenic - enable compile testingMartin Kaiser1-2/+1
Enable compile testing for the ingenic-trng driver. Remove the dependency on HW_RANDOM. The ingenic-trng config section is under "if HW_RANDOM". Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: hisilicon/hpre - ensure private key less than nWeili Qian1-2/+8
The private key of the curve key size generated by stdrng, which maybe not less than n. Therefore, the private key with the curve key size minus 1 is generated to ensure that the private key is less than n. Signed-off-by: Weili Qian <qianweili@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: starfive - Convert to platform remove callback returning voidUwe Kleine-König1-4/+2
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new() which already returns void. Eventually after all drivers are converted, .remove_new() is renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20hwrng: timeriomem - Use devm_platform_get_and_ioremap_resource()Yangtao Li1-15/+10
Convert platform_get_resource(), devm_ioremap_resource() to a single call to devm_platform_get_and_ioremap_resource(), as this is exactly what this function does. Signed-off-by: Yangtao Li <frank.li@vivo.com> Reviewed-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: atmel-tdes - Use devm_platform_get_and_ioremap_resource()Yangtao Li1-11/+3
Convert platform_get_resource(), devm_ioremap_resource() to a single call to devm_platform_get_and_ioremap_resource(), as this is exactly what this function does. Signed-off-by: Yangtao Li <frank.li@vivo.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: atmel-sha - Use devm_platform_get_and_ioremap_resource()Yangtao Li1-12/+3
Convert platform_get_resource(), devm_ioremap_resource() to a single call to devm_platform_get_and_ioremap_resource(), as this is exactly what this function does. Signed-off-by: Yangtao Li <frank.li@vivo.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: atmel-aes - Use devm_platform_get_and_ioremap_resource()Yangtao Li1-12/+3
Convert platform_get_resource(), devm_ioremap_resource() to a single call to devm_platform_get_and_ioremap_resource(), as this is exactly what this function does. Signed-off-by: Yangtao Li <frank.li@vivo.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: keembay - Convert to devm_platform_ioremap_resource()Yangtao Li1-9/+1
Use devm_platform_ioremap_resource() to simplify code. Signed-off-by: Yangtao Li <frank.li@vivo.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: omap-des - Use devm_platform_get_and_ioremap_resource()Yangtao Li1-7/+1
Convert platform_get_resource(), devm_ioremap_resource() to a single call to devm_platform_get_and_ioremap_resource(), as this is exactly what this function does. Signed-off-by: Yangtao Li <frank.li@vivo.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20hwrng: pic32 - enable TRNG only while it's usedMartin Kaiser1-22/+19
The probe function enables the TRNG hardware before registering the driver. If registration fails, probe returns an error, but the TRNG remains enabled. Define init and cleanup functions, enable and disable the hardware there. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20hwrng: pic32 - remove unused definesMartin Kaiser1-10/+3
Remove some unused defines and fix the indentation. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20hwrng: pic32 - use devm_clk_get_enabledMartin Kaiser1-14/+5
Use devm_clk_get_enabled in the pic32 driver. Ensure that the clock is enabled as long as the driver is registered with the hwrng core. Fixes: 7ea39973d1e5 ("hwrng: pic32 - Use device-managed registration API") Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20hwrng: pic32 - enable compile-testingMartin Kaiser1-1/+1
Enable compile testing for the pic32 driver. Remove the dependency on HW_RANDOM. The pic32 config section is under "if HW_RANDOM". Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20hwrng: exynos - switch to DEFINE_SIMPLE_DEV_PM_OPSMartin Kaiser1-4/+4
SIMPLE_DEV_PM_OPS is deprecated, replace it with DEFINE_SIMPLE_DEV_PM_OPS and use pm_sleep_ptr for setting the driver's pm routines. We can now remove the __maybe_unused qualifier in the suspend and resume functions. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20hwrng: imx-rngc - use dev_err_probeMartin Kaiser1-16/+8
Simplify the code by calling dev_err_probe instead of dev_err and return. While at it, use the same device for all error messages. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Reviewed-by: Rouven Czerwinski <r.czerwinskis@pengutronix.de> Reviewed-by: Rouven Czerwinski <r.czerwinski@pengutronix.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: qat - replace the if statement with min()You Kangren1-5/+2
Mark UWORD_CPYBUF_SIZE with U suffix to make its type the same with words_num. Then replace the if statement with min() in qat_uclo_wr_uimage_raw_page() to make code shorter. Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: You Kangren <youkangren@vivo.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20hwrng: nomadik - use dev_err_probeMartin Kaiser1-5/+2
Use dev_err_probe to print a message and return an error. This makes the code a tiny bit shorter. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20hwrng: nomadik - keep clock enabled while hwrng is registeredMartin Kaiser1-9/+3
The nomadik driver uses devres to register itself with the hwrng core, the driver will be unregistered from hwrng when its device goes out of scope. This happens after the driver's remove function is called. However, nomadik's clock is disabled in the remove function. There's a short timeframe where nomadik is still registered with the hwrng core although its clock is disabled. I suppose the clock must be active to access the hardware and serve requests from the hwrng core. Switch to devm_clk_get_enabled and let devres disable the clock and unregister the hwrng. This avoids the race condition. Fixes: 3e75241be808 ("hwrng: drivers - Use device-managed registration API") Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: qat - add heartbeat counters checkDamian Muszynski6-0/+81
A firmware update for QAT GEN2 changed the format of a data structure used to report the heartbeat counters. To support all firmware versions, extend the heartbeat logic with an algorithm that detects the number of counters returned by firmware. The algorithm detects the number of counters to be used (and size of the corresponding data structure) by the comparison the expected size of the data in memory, with the data which was written by the firmware. Firmware detection is done one time during the first read of heartbeat debugfs file to avoid increasing the time needed to load the module. Signed-off-by: Damian Muszynski <damian.muszynski@intel.com> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: qat - add heartbeat featureDamian Muszynski21-2/+662
Under some circumstances, firmware in the QAT devices could become unresponsive. The Heartbeat feature provides a mechanism to detect unresponsive devices. The QAT FW periodically writes to memory a set of counters that allow to detect the liveness of a device. This patch adds logic to enable the reporting of those counters, analyze them and report if a device is alive or not. In particular this adds (1) heartbeat enabling, reading and detection logic (2) reporting of heartbeat status and configuration via debugfs (3) documentation for the newly created sysfs entries (4) configuration of FW settings related to heartbeat, e.g. tick period (5) logic to convert time in ms (provided by the user) to clock ticks This patch introduces a new folder in debugfs called heartbeat with the following attributes: - status - queries_sent - queries_failed - config All attributes except config are reading only. In particular: - `status` file returns 0 when device is operational and -1 otherwise. - `queries_sent` returns the total number of heartbeat queries sent. - `queries_failed` returns the total number of heartbeat queries failed. - `config` allows to adjust the frequency at which the firmware writes counters to memory. This period is given in milliseconds and it is fixed for GEN4 devices. Signed-off-by: Damian Muszynski <damian.muszynski@intel.com> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: qat - add measure clock frequencyDamian Muszynski16-0/+268
The QAT hardware does not expose a mechanism to report its clock frequency. This is required to implement the Heartbeat feature. Add a clock measuring algorithm that estimates the frequency by comparing the internal timestamp counter incremented by the firmware with the time measured by the kernel. The frequency value is only used internally and not exposed to the user. Signed-off-by: Damian Muszynski <damian.muszynski@intel.com> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: qat - drop obsolete heartbeat interfaceDamian Muszynski1-15/+0
Drop legacy heartbeat interface from FW API as it is no longer used. Signed-off-by: Damian Muszynski <damian.muszynski@intel.com> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: qat - add internal timer for qat 4xxxDamian Muszynski10-0/+137
The power management feature in QAT 4xxx devices can disable clock sources used to implement timers. Because of that, the firmware needs to get an external reliable source of time. Add a kernel delayed work that periodically sends an event to the firmware. This is triggered every 200ms. At each execution, the driver sends a sync request to the firmware reporting the current timestamp counter value. This is a pre-requisite for enabling the heartbeat, telemetry and rate limiting features. Signed-off-by: Damian Muszynski <damian.muszynski@intel.com> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: qat - add fw_counters debugfs fileLucas Segarra Fernandez8-0/+313
Expose FW counters statistics by providing the "fw_counters" file under debugfs. Currently the statistics include the number of requests sent to the FW and the number of responses received from the FW for each Acceleration Engine, for all the QAT product line. This patch is based on earlier work done by Marco Chiappero. Co-developed-by: Adam Guerin <adam.guerin@intel.com> Signed-off-by: Adam Guerin <adam.guerin@intel.com> Signed-off-by: Lucas Segarra Fernandez <lucas.segarra.fernandez@intel.com> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: sig - Remove some unused functionsJiapeng Chong1-5/+0
These functions are defined in the sig.c file, but not called elsewhere, so delete these unused functions. crypto/sig.c:24:34: warning: unused function '__crypto_sig_tfm'. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5701 Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: ccp - Add Mario to MAINTAINERSMario Limonciello1-0/+12
I will maintain the platform access interface and dynamic boost control support. Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: ccp - Add unit tests for dynamic boost controlMario Limonciello1-0/+266
Interacting with dynamic boost control messages requires the caller to supply a signature. To allow validation of individual dynamic boost control components, introduce a set of tests that can be run. The tests can be run in 3 distinct different environments, and so certain tests will be skipped depending on the environment. 1. Systems that do not support DBC. 2. Production systems that support DBC but are secured silicon. 3. Pre-production systems that support DBC but are unsecured silicon. Unsecured silicon does not validate the signature, and so this allows testing more of the state machine and functionality. Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: ccp - Add a sample python script for Dynamic Boost ControlMario Limonciello3-0/+199
Dynamic Boost Control commands are triggered by userspace with an IOCTL interface that userspace will prepare proper buffers for a request. To allow prototyping and testing this interface, add a python3 command line script that loads the dbc_library.so for utilizing the IOCTLs. The signature to use and UID are passed as arguments to this script. Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: ccp - Add a sample library for ioctl useMario Limonciello2-0/+85
Add a small shared library that demonstrates the usage of the IOCTL interface. This library can be linked to but, is intended to be loaded and used by higher level languages Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: ccp - Add support for getting and setting DBC parametersMario Limonciello4-0/+109
After software has authenticated a dynamic boost control request, it can fetch and set supported parameters using a selection of messages. Add support for these messages and export the ability to do this to userspace. Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: ccp - Add support for setting user ID for dynamic boost controlMario Limonciello4-0/+45
As part of the authentication flow for Dynamic Boost Control, the calling software will need to send a uid used in all of its future communications. Add support for another IOCTL call to let userspace software set this up. Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: ccp - Add support for fetching a nonce for dynamic boost controlMario Limonciello9-1/+321
Dynamic Boost Control is a feature offered on AMD client platforms that allows software to request and set power or frequency limits. Only software that has authenticated with the PSP can retrieve or set these limits. Create a character device and ioctl for fetching the nonce. This ioctl supports optionally passing authentication information which will influence how many calls the nonce is valid for. Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: ccp - move setting PSP master to earlier in the initMario Limonciello1-3/+7
Dynamic boost control needs to use platform access symbols that look for the PSP master as part of initialization. So move the PSP master before psp_init() so that dynamic boost control can be initialized properly. Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: ccp - Add bootloader and TEE version offsetsMario Limonciello1-0/+5
The bootloader and TEE versions are stored in registers that can be accessed from sysfs. This exports the information for recent client and datacenter parts. Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: ccp - Add support for displaying PSP firmware versionsMario Limonciello3-0/+84
As it's not always obvious what PSP bootloader or TEE version are present in OEM systems, add the ability to get this information from sysfs for supported platforms. Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-07-20crypto: ccp - Rename macro for security attributesMario Limonciello1-13/+13
The attribute_show() macro is only valid for determining the availability of security related sysfs entries. Rename the macro to better show this relationship. Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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